The Mole .


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Checking Particles. Numbering Particles. There are basic units to tally things. Numbering Particles. There are regular units to number things. Pair. Numbering Particles. There are normal units to check things. Pair = 2Dozen . Numbering Particles. There are basic units to number things. Pair = 2Dozen = 12Ream.
Transcripts
Slide 1

The Mole Chap. 11 No, not that mole!

Slide 2

Counting Particles

Slide 3

Counting Particles There are basic units to check things

Slide 4

Counting Particles There are regular units to tally things Pair

Slide 5

Counting Particles There are normal units to tally things Pair = 2 Dozen

Slide 6

Counting Particles There are basic units to tally things Pair = 2 Dozen = 12 Ream

Slide 7

Counting Particles There are basic units to tally things Pair = 2 Dozen = 12 Ream = 500 sheets Gross

Slide 8

Counting Particles There are basic units to tally things Pair = 2 Dozen = 12 Ream = 500 Gross = 144 "Scop" (not by any means)

Slide 9

Counting Particles There are basic units to tally things Pair = 2 Dozen = 12 Ream = 500 Gross = 144 "Scop" (not by any means) = 64 Mole

Slide 10

Counting Particles There are basic units to tally things Pair = 2 Dozen = 12 Ream = 500 Gross = 144 "Scop" (not by any means) = 64 Mole = Avogadro\'s #

Slide 11

Avogadro\'s number An esteem equivalent to 6.0221367 x 10 23 . We\'ll round it to: 6.02 x 10 23

Slide 12

Counting Particles Converting with moles Finding the quantity of particles from moles.

Slide 13

Self Check – Ex. 1 what number particles are in 2 moles of helium?

Slide 14

Self Check – Ex. 2 what number particles are in 7.5 moles of carbon dioxide?

Slide 15

Counting Particles Converting with moles Finding the quantity of particles from moles. Finding the quantity of moles from particles.

Slide 16

Self Check – Ex. 3 A specimen of lead contains 1.5 x 10 24 iotas. What number of moles of lead particles are there?

Slide 17

Self Check – Ex. 4 An example of zinc chloride contains 2.150 x 10 18 equation units. What number of moles of zinc chloride are there?

Slide 18

Massing a Mole Different molecules have distinctive masses.

Slide 19

1 particle of carbon would weigh ____ times more than 1 iota of helium. 3

Slide 20

dozen iotas 1 particle of carbon would weigh ____ times more than 1 molecule of helium. 3 dozen particles

Slide 21

mole of 1 molecule of carbon would weigh ____ times more than 1 iota of helium. 3 mole of

Slide 22

Massing a Mole Different particles have distinctive masses. The mass on the P.T. speaks to. . .

Slide 23

Massing a Mole Different particles have distinctive masses. The mass on the P.T. speaks to. . . The mass of 1 particle (in amu)

Slide 24

Massing a Mole Different iotas have distinctive masses. The mass on the P.T. speaks to. . . The mass of 1 particle (in amu) The mass of 1 mole of molecules (in grams)

Slide 25

Massing a Mole Different iotas have diverse masses. The mass on the P.T. speaks to. . . This esteem is known as the molar mass. The mass of 1 mole of particles

Slide 26

If you weigh out 40 grams of argon you have basically checked ______________ iotas.

Slide 27

If you weigh out 40 grams of argon you have basically tallied ______________ iotas. 6.02 x 10 23

Slide 28

Massing a Mole Calculating with molar mass Using molar mass you can change over from to .

Slide 29

Massing a Mole Calculating with molar mass Using molar mass you can change over from grams to moles.

Slide 30

Self Check – Ex. 5 If an example of aluminum has a mass 81.0 g what number of moles are available?

Slide 31

Massing a Mole Calculating with molar mass Using molar mass you can change over from grams to moles. You can likewise change over from _____ to .

Slide 32

Massing a Mole Calculating with molar mass Using molar mass you can change over from grams to moles. You can likewise change over from moles to grams.

Slide 33

Self Check – Ex. 6 What is the mass of 0.25 moles of chromium?

Slide 34

Massing a Mole Calculating with molar mass Calculating the molar mass of compound

Slide 35

Example One mole of CH 4 contains: 1 mole of carbon moles of hydrogen

Slide 36

Example One mole of CH 4 contains: 1 mole of carbon 4 moles of hydrogen

Slide 37

Example One mole of CH 4 contains: 1 mole of carbon 4 moles of hydrogen measures 12 g weighs ______

Slide 38

Example One mole of CH 4 contains: 1 mole of carbon 4 moles of hydrogen measures 12 g measures 4 x (1) g

Slide 39

Example One mole of CH 4 contains: 1 mole of carbon 4 moles of hydrogen measures 12 g measures 4 x (1) g = 16 g/mol

Slide 40

Massing a Mole Calculating with molar mass Calculating the molar mass of compound Add the masses of each of the molecules in the compound.

Slide 41

Massing a Mole Calculating with molar mass Calculating the molar mass of compound Add the masses of each of the particles in the compound. Keep in mind to duplicate every iota\'s mass by the number iotas in the compound.

Slide 42

Self Check – Ex. 7 What is the molar mass of lithium nitrate, LiNO 3 ?

Slide 43

Self Check – Ex. 8 What is the molar mass of calcium acetic acid derivation, Ca(C 2 H 3 O 2 ) 2 ?

Slide 44

Molar Volume of Gas The volume of 1 mole of gas particles when measured at STP

Slide 45

Molar Volume of Gas This is resolved at particular conditions. STP – standard temperature (0 ºC) and standard weight (1 atm)

Slide 46

Molar Volume of Gas This is resolved at particular conditions. It\'s the same for all gasses. 1 mole of gas at STP = 22.4 L

Slide 47

Molar Volume of Gas This is resolved at particular conditions. It\'s the same for all gasses. Changes

Slide 48

Self Check – Ex. 9 What is the volume of 3 moles of carbon dioxide gas at STP?

Slide 49

Self Check – Ex. 10 what number moles of air are in a 64 L that is at 1 atm and 0 ºC.

Slide 50

Multiple progression transformations Just recall the mole is the focal unit

Slide 51

Mass (grams) Volume (liters) MOLE particles (iotas, atoms, recipe units)

Slide 52

Self Check – Ex. 11 What is the mass of 11.2 L of carbon dioxide gas?

Slide 53

Self Check – Ex. 12 what number atoms of alkali, NH 3 are in a 68-g test?

Slide 54

Mole proportions in concoction equations

Slide 55

Mole proportions in substance recipes The subscripts can give a proportion of iotas in a compound.

Slide 56

1 mole of smelling salts, NH 3 1 mole of N mole of N

Slide 57

1 mole of alkali, NH 3 1 mole of N 3 mole of N

Slide 58

1 mole of alkali, NH 3 1 mole of N 3 mole of N 1 mole NH 3 : 3 mole H 1 mole NH 3 : 1 mole N

Slide 59

1 mole of smelling salts, NH 3 1 mole of N 3 mole of N 1 mole NH 3 : 3 mole H 1 mole NH 3 : 1 mole N 1 mole NH 3 1 mole NH 3 1 mole N 1 mole N

Slide 60

Mole proportions in substance equations The subscripts can give a proportion of molecules in a compound. Changes

Slide 61

Self Check – Ex. 13 what number moles of hydroxide particles are in 1.2 moles of magnesium hydroxide, Mg(OH) 2 ?

Slide 62

Self Check – Ex. 14 What is the mass of the oxygen iotas in 4 moles of sodium sulfate?

Slide 63

The end.

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